18330884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 38290560

約数和(自身を除く): 19959676

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 73, 143, 146, 286, 292, 439, 572, 803, 878, 949, 1606, 1756, 1898, 3212, 3796, 4829, 5707, 9658, 10439, 11414, 19316, 20878, 22828, 32047, 41756, 62777, 64094, 125554, 128188, 251108, 352517, 416611, 705034, 833222, 1410068, 1666444, 4582721, 9165442, 18330884]

約数ペア:

[(1, 18330884), (2, 9165442), (4, 4582721), (11, 1666444), (13, 1410068), (22, 833222), (26, 705034), (44, 416611), (52, 352517), (73, 251108), (143, 128188), (146, 125554), (286, 64094), (292, 62777), (439, 41756), (572, 32047), (803, 22828), (878, 20878), (949, 19316), (1606, 11414), (1756, 10439), (1898, 9658), (3212, 5707), (3796, 4829)]